[Task] Adapt library to IOTA 2.0 / Nova

[eike-hass]

Description

Adapt the did:iota method to the upcoming version of the IOTA protocol.

Motivation

Provide a capable DID method taking advantage the unique capabilities of the next version of the IOTA protocol.

Resources

https://wiki.iota.org/identity.rs/references/specifications/iota-did-method-spec/ https://github.com/iotaledger/tips (might have to dig through the branches for the 2.0 tips)

To-do list

Create a task-specific to-do list. Please link PRs that match the TODO list item behind the item after it has been submitted.

• [ ] Research the design and capabilities of IOTA 2.0 and Nova
• [ ] Analyse the current method specification and adapt the CRUD operations to Nova
• [ ] Updated version of method specification (can be used as a design document)
• [ ] Rust implementation
• [ ] Wasm implementation
• [ ] Update wiki content

Change checklist

Add an x to the boxes that are relevant to your changes, and delete any items that are not.

• [ ] The feature or fix is implemented in Rust and across all bindings whereas possible.
• [ ] The feature or fix has sufficient testing coverage
• [ ] All tests and examples build and run locally as expected
• [ ] Every piece of code has been document according to the documentation guidelines.
• [ ] If conceptual documentation (mdbook) and examples highlighting the feature exist, they are properly updated.
• [ ] If the feature is not currently documented, a documentation task Issue has been opened to address this.

### Tasks
- [ ] https://github.com/iotaledger/identity.rs/issues/1293